#include <iostream>
#include <vector>
using namespace std;

const int N = 100010;

vector<int> add(vector<int> &A, vector<int> &B){
    if(A.size() < B.size())  return add(B, A);
    vector<int> C;

    int t = 0; //进位
    for(int i = 0; i < A.size(); i++){
        t += A[i];
        if(i < B.size())    t += B[i];
        C.push_back(t % 10);
        t /= 10;
    }

    //最高位还有进位
    if(t) C.push_back(t);

    return C;
}


int main(){
    string a, b;
    vector<int> A, B;

    cin >> a >> b;

    //注意：单引号为字符，双引号为字符串
    for(int i = a.size() - 1; i >= 0; i--)  A.push_back(a[i] - '0');
    for(int i = b.size() - 1; i >= 0; i--)  B.push_back(b[i] - '0');

    auto C = add(A, B);

    for(int i = C.size() - 1; i >= 0; i--)  printf("%d", C[i]);

    return 0;
}